Algebra.Com's Answer #468104 by Edwin McCravy(20055)![\"\"](\"/images/stars/stars-13.gif\")  
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find all possible numbers whose sum and product are same. example 2+ 2=4 & 2*2=4, 1.5*3 = 4.5 & 1.5 + 3 = 4.5
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document.write( "Suppose x+y = xy\r\n" );
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document.write( "Suppose a,b,c, and d are numbers such that\r\n" );
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document.write( "x =  and y =  \r\n" );
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document.write( "Then \r\n" );
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document.write( "  ×\r\n" );
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document.write( "Multiply every term through by bd\r\n" );
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document.write( " ad + bc = ac\r\n" );
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document.write( "-ac + ad = -bc\r\n" );
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document.write( " ac - ad = bc\r\n" );
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document.write( "a(c - d) = bc\r\n" );
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document.write( "a =  , c≠d\r\n" );
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document.write( "Choose any three numbers b, c and d, such that c≠d\r\n" );
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document.write( "Choose a = \r\n" );
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document.write( "Then x = and y = \r\n" );
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document.write( "will be such that x+y = xy\r\n" );
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document.write( "Example:\r\n" );
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document.write( "Choose b=3, c=7, d=2\r\n" );
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document.write( "Let a = =  =  = 4.2\r\n" );
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document.write( "Then x = =  = 1.4\r\n" );
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document.write( "And y = =  = 3.5 \r\n" );
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document.write( "Then x+y = 1.4 + 3.5 = 4.9\r\n" );
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document.write( "And xy = 1.4×3.5 = 4.9\r\n" );
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document.write( "Edwin \n" );
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